chromaffin tissue a tissue composed largely of chromaffin cells, well supplied with nerves and vessels; it occurs in the adrenal medulla and also forms the paraganglia of the body. cicatricial tissue the dense fibrous tissue forming a cicatrix, derived directly from granulation tissue; called also scar tissue.
No. Unemployment, Social Security, retirement benefits, 401K pay outs, etc are not considered earned income for the purpose of calculating earned income credits.
Earned income is defined by the United States Internal Revenue Code as income received through personal effort, with the following as the main sources: 1  Wages, salaries, tips, commissions, and other taxable employee pay. 2  Net earnings from self-employment. 3  Gross income received as a statutory employee.